Building the Tricoder

Building the Tricorder: The race to create a real-life Star Trek medical scanner
A handheld diagnostic device has long been the dream of doctors and patients alike. And it's getting closer.
By Jo Best | November 26, 2018
https://www.zdnet.com/article/building-the-tricorder-the-race-to-create-a-real-life-star-trek-medical-scanner/?ftag=TRE-03-10aaa6b&bhid=21039815962055806223400979878761

Note: One of my friends succeeded in developing one of these but no one wanted it-- the government, the military, other countries-- even though he was willing to give it to them free of charge.